The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
A little more wonder
Why menus hide the dollar signs
Menus without dollar signs make it easier to think about a dish as dinner rather than a withdrawal from your wallet. The currency symbol cues the act of…
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Why shower water sounds like your phone ringing
Water makes a steady wall of noise, so your brain gets less clear evidence about what’s happening around you. It is quick to detect meaningful patterns in…
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Comedians test new jokes in tiny clubs
Even established comedians test rough jokes in small clubs, where audience reactions show what works before they take the material to an arena.
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Credit-rating agencies are paid by the companies they grade
Bond ratings can sway investors, but the rating agencies collect fees from the companies they assess. The grader’s customer is also the subject of the grade.
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Salvador uses an elevator to connect two levels of the city
The Elevador Lacerda links the lower Comércio district with the upper city, turning a steep climb into a short vertical ride. It opened in 1873 and became…
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Why pregnancy makes you need the bathroom constantly
As the uterus expands, it presses against the nearby bladder and leaves less space for urine to collect. The bladder reaches its “full” signal sooner, so…
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A bicep curl is just reducing a joint angle
During a bicep curl, the forearm swings toward the upper arm, reducing the angle between the two bones at the elbow. That joint-bending movement is called…
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How companies offer ownership without a vote
Phantom stock lets a company promise employees a future bonus tied to the company’s value. They get a financial stake without receiving shares or voting rights.
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Why a boomerang comes back
A boomerang turns because its spinning wings push unevenly on the air. As it moves forward, one wing travels faster and makes more lift than the other,…
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Straightening joints aggressively maximizes anatomical angles
When you straighten an elbow or knee, you extend the joint: the angle between the bones opens until the limb is straight. The name describes the direction of…
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High atmospheric pressure heavily suppresses local storms
In a high-pressure system, air sinks and gets compressed by the air below, warming as it goes. That warmer air makes clouds less likely to form and can dry…
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Why orchestras make musicians audition behind a curtain
A curtain hides candidates from judges, and some auditions even require musicians to remove their shoes so footsteps won’t reveal their gender.
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Kraken tentacles dragging galleons underwater
In maritime tales, the giant squid became a ship-snatching monster, said to seize vessels with its arms and drag them below.
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Inertia keeps objects blindly moving during collisions
The cup doesn’t know the car is braking; it simply keeps moving as before until something stops it. Friction or a bump supplies that force, and a seat belt…
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Why wind turbines aren't birds' biggest threat
Wind turbines can kill birds, but collisions with buildings—especially glass—and attacks by domestic cats kill far more.
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When playing SimCity required an internet connection
EA required online check-ins even for solo play, but its servers buckled at launch, leaving legitimate buyers unable to access their cities.
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Application programming interfaces form recurring revenue
A developer pays a small fee every time their software calls a company’s server through its API. One call costs little; thousands of calls keep sending money…
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Market makers profit entirely from the bid-ask spread
A market maker posts a price to buy and another to sell. The gap between those prices is its take for standing ready to trade; tiny gaps can pay when repeated…
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Michael Jackson made the moonwalk famous after learning an existing move
Dancers including Cooley Jaxson described helping him learn the backward-gliding step before his celebrated 1983 performance. Jackson's staging helped turn it…
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The muscles that stop you from moving too far
When one muscle pulls a joint, the muscle on the other side lengthens under control. It acts like a brake, helping the movement stop smoothly instead of…
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A corn puff starts as dough forced through a tiny opening
Extrusion pushes a cooked mixture through a die under pressure. As it emerges, the pressure drops and moisture flashes into steam, expanding the snack into a…
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Steam algorithms push visual novels to all users
Even after years of playing military shooters, you might still get recommended a pigeon-dating visual novel. Steam’s storefront can favor whatever cheap…
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Color film existed long before The Wizard of Oz
Early color processes could make a film spectacular, but they cost far more than black-and-white production. Studios saved them for projects that could…
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Technical debt acts as an invisible corporate liability
A quick software patch can save a company time today and saddle it with extra work every time someone changes the code later. That cleanup bill is technical…
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